question about ray tracing profiling .

[edisonchan]

I had try the GPU Profiler 1.9 with 6800XT on some DXR program and I found some of them can view the detail of RA pipeline and some can not show as RT workload(in 3dmark dxr feature ,RT workload is include in CS workload, is it because the inline RT?).

[chesik-amd]

The Raytracing pipeline is only shown for "DispatchRays<Indirect>" events. RGP does not show the Raytracing pipeline for "DispatchRays<Unified>" events, where the various shader functions are inlined.

[edisonchan]

Thanks for your reply, Chesik.
I had another question, I did a profile with the microsoft DXR sample D3DRaytracingProceduralGeometry, the cost of intersection pipeline stage to 72%.
But I found the hit count of IMAGE_BVH_INTERSECT_RAY is only about 3985, and the instructions of VALU is much higher than IMAGE_BVH_INTERSECT_RAY, is that mean the bottleneck is on VALU not Ray Accelerator in this sample when using RDNA 2 GPU?